Seat structure



Aug. 4, 1942. s; LEE 2,291,640

smw STRUCTURE Filed April 18, 1941 s Shee'lis-Shee t .1

, mwE/YfoR Aug.4, 1942. 1 5E 2,291,640

SEAT STRUCTURE I Filed April 18, 1941 3 Sheets-Sheet 2 5y WW nrropms y.

SEAT STRUCTURE,

" Filed Aprii 18, 1941 s Sheets-Sheet z i wa ks/Wop.-

Patented Au 4',- 1942 ferred form of attachment for then SEAT STRUCTURESuntu Lee, Los Angeles, cam;

This invention relates to babycarts, and per tains particularly to aseat structure therefor.

This application is a companion application to herewith, and is directedspecifically to a removable seat structure adapted for use inconnection1 with a baby cart of the general type disclosed in 'said companionapplication.

One of the particular objects of this invention that entitled Baby cart,filed concurrently applicant; April 18, 1941, Serial No. 539,246 I5,Clalms. (c1. 155-79) formed of a vertical standard I and a transversestandard 2 carrying pivotally mounted wheels or the like 3, to which isattacheda forward support portion 4 carrying a "forward support wheelstructure comprising one or more wheels orcasters 5. The verticalstandard may comprise two I upwardly-extending tubular members 6 securedat'theirlower ends to the-transverse standard 2 is to provide a seatstructure embodyingasup lo port member adapted for attachment to a babycart or the like, or -to another relatively fixed structure is pivotallydisposed on the su ort member for angular adjustment with respectthereto whereby such seat portion may be established in a level orotherdesired position substantially independentof. the angularityassumed by the support member in any particular use.

Other features and objects of ,the inventionwillbe apparent from theensuing description of.

a preferred embodiment thereof, as illustrated in the accompanyingdrawings and referring there- Fig. 1 is a side elevation of a baby cartaccording to-this invention, as it may be employed inactualuse;

Fig. 2 is a-rear elevation thereof; c

Fig. 3 is a detail of the seatmounting adjust:

' ment, as taken on line 3 -3 in Fig. 2;

\ support, in which the seat portion of the seat and brought together atthe upper ends and secured to a tubular center section '1. A tubularhandle member may extend upwardlyfrom the center section I as at 8, the.handle-member 8 being rotatably disposed within the tubular member andbent over adjacent its upper end as at 9, terminating in a handle orgripping member -l l. Suitable means, not shown, may be provided forfixing the rotative position of member 8 within the tubular member 1' soas to cause the same to adopt the position shown in full lines in" Fig.1, and alternatively the position shown in dotted lines at A in Fig. 1,which will efiect an adjustment of the height of the gripping member I lfromthe ground so as to more comfortably adapt the construction to'useby a short or tali person. I

The'seat portion of the construction is illustrated generally at I! andmay comprise support arms l3 pivotally mounted on U shaped brackets l4carried by a transverse yoke, l5, the upper ends Fig. 4 is afu-rtherdetail-of the structure shown I in Fig. 3, as taken on lined-4 therein;

Fig. 5 is a plan section of the lower portion of thestructure, as takenon line 55 in Fig. 1,

showing the forward support structure in extended position; I I

Fig. 6 is a view corresponding to Fig. 5 show- Fig. 715 a side elevationof the device incompletely folded condition;

Fig. 8 illustrates the useo'f' the cart construe-- tion in an automobileor the like wherein thef entire cart is placed upon and is supported bya the seat member of the automobile;

Fig. 9 illustrates the use of theremovable seat portionof the device onthe back of a conventional chair. in the provision of a so-calledhigh-chair; and I Fig. 10 is a sectional detail illustrating a preingthe forward support portion in retracted po 'sition;

- brackets M. The lower projecting ends of the of the support arms l3being bent inwardly and downwardly as at Ba and slidably disposed withinthe upper ends Ga 0! the tubular members 6. The seat proper may comprisea fabric member 16 of conventional shape secured to forwardly extendingarm-rests I1 pivotally mounted on the transverse yoke l5 as at IS, theends of the armrests ll being extended rearwardly, as at l9, past thepivot ,point l8 into position alongside the lower ends l3b of thesupport arms l3. The lower ends 13b of the support arms I: arethreaded-and may be threadedly mounted on the support arms'may befurnished with an enclosing 'sleeve' 2| and a nut' 22, if desired. Acoactingly threaded thumb-nut or the like 23 is mounted on the supportarm portion [3b within the bracket I4 and as illustrated particularly inFigs. 3 and 4 is employed to engage the upper edge of the I rearwardlyprojecting portion IQ of the arm-rests rating handie portion of theconstructiomas taken on line I lli---l0inFig.2. I

Referring to Figs. 1 to 6 of the drawings, the construction may comprisea standard or frame ll to fix the angularity of such arm-rests withrespect to the standard I. Independent of the adjustment at a particularangularity, and 7' as shown particularly in Fig. 'L the arm-rests andthe associated seatmember I! may be raised upwardly about'the pivot'lflto a folded position ially in line with the support arms l3, to foldthedevice. I

The forward support portion 4 may comprise a tubular member 3| pivotallymounted as at 32 on the transverse support structure 2 and removablysecured in position with respect to the standard I in any suitablemanner, as through bar 35 slidably disposed on the lower ends of themembers 8, as shown more particularly in Fig.2. I order to fold theforward support structure so as to cause the device to encompass aminimum space the thumb-nut 34 may be backed off to clear the pin 33,and the'forward support structure 4 rotated rearwardly to a positionsuch as indicated at B in Fig. 7.

Slidably mounted within the tubular member 3| I provide an extension bar33 carrying at its forward end the forward support portion 4 and thewheels or casters 5, the latter of whichmay conveniently be mounted on aforward transverse support structure 31. A suitable set screw or thelike33 is provided for amxing the extension bar 36 and the structureassociated therewith in any desired position of extension with respectto the tubular member 3|. This forwardfsupport struca bracket or the1ike'43 which may be fixedly lines at 33 in Figs. 1 and 2, and in fulllines in Fig. 8, which may be slipped down over the upwardly directedportions of the upper ends Ila of the support arms and secured to thebacking 5| in any suitable manner. This head cushion may be removed whenthe seat structure is removed from the standard as describedhereinbelow.

Referring to Fig. 8, it will be seeri that the dcvice may be lifted intothe front seat of an automobile, forexample, the wheels 3 seated firmly:atv the'juncture of the seat cushion 5! and the back portion 53, andthe structure held in position through the agency of a spring clampmember 51 slidably mounted on the handle 3 and having a dependingportion 51' adapted toengage the rearward edge of the back portion 88 ofthe seat. (This clamp member 51 may also be employed to hold the forwardsupport portion in the position 13, Fig, 7, asshown therein.) When thedevice is used as in Fig. 8, the forward support portion 4 will beplaced in fully retracted position, and owing to the fact that theangularity of the back portion 56 of th automobile seat will be somewhatdifferent from the angularity of the standard I with respect to thehorizontal, which would cause, in the case illustrated in Fig.

8, the arm-rest II to be inclined upwardly into an uncomfortableposition for the occupant, I preferably adjust the thumb-nuts 23upwardly to permit the arm-rest H to drop down to a more nearlyhorizontal position.

Q Where the seat member I! is removed from the standard I for useas'illustrated in Fig. 9, the

mounted. on the member 3|. In order to fixedly place the foot plate 4|in extended position (Fig. 5) I may provide a forwardly extending tab orthe like 44 at each side ofthe mid-line of the thumb-nuts 23may bescrewed down on the support arm |3b so as to raise the arm-rest I! to agenerally horizontal positionor to any other springclamp 58 may bemounted upon the censecured in position by loosening the screw 33,pulling the bar 33 forwardly to carry the member 31 past the position ofthe tabs 44, lowering the foot plate 4| into position, and then pushingthe extension bar 33 inwardly'tocause the member 31 to pass over thetabs 44, in which position it will function as ;s detent means, afterwhich the screw 33 may locked. The lateral dimensions of the tabs 44 mayconveniently be made such as to pass between the members 6 and to clearthepin "when the foot plate 4| is 4 folded into retracted position asshown in Fig, 6. In this retracted position, with. the. arm 3| and theforward support portionj extended tothe full forward position, thedevice is useful as a walker." The arm-rest portion ll of the seat I: ispreferably made of U shap to completely enclose the forward portion ofthe seat area, and the child may stand erect within suchenclosure, withhis feet on the floor or ground, holding onto a conveniently disposedhandle or th like 23. As may be visualized from Fig. 6, ample roomfor-leg movementis provided when th plate is folded back into the dottedposition. h The seat member is conveniently provided with a backingpiece as indicated at ll, of fabric or the-like, formed as a part of thefabric seat member I, if desired, and stitched about the support arms l3as at 32. Similarly, a head cushion may be provided as indicated indot-dash end of the handle a, andthe screw 3| may pass ter section Ithrough the agency of a bolt 43. The portions |3a of the support armsmay then be hooked over the back of a chair or the like 3|, as at 62. Itwill be appreciated that a rubber covering or the like, not shown, may bprovided for, the-portions of the support arms which would engage thechair .back, ifdesired, to avoid unduly marring the surface of the chairback.

Furthermore, the two free ends |3a of the support arms may beforced.toward one another through the 'agency .Of a strong rubber band,or the like; into a position corresponding to that adopted by the armswhen installed upon theframe (see Fig. 2, for example) which would makethe seat somewhat more stable in its mounting on a chair back.

, The grip portion of the handle 3 may be attached to the handle in anyconvenient manner, although I prefer to provide a transversely of suchhandle 8, to which a holding screw OI L is threadedly. secured. The gripmember may be recessed as at 33 to receive the upper srin m ed toengageone of the wheels 33 so that the cart may be locked in position, andthis,brake may comprise abrake shoe 1| secured to or forming a part of aspring arm 12 secured to the transverse standard 2 at a positioninwardly removed from a wheel 3.. Inorder to pull the brake shoe ll intoengagement with the tire 3a of the wheel 3, I may provide an operatinglever 14 pivotally mounted of the tubular standard 2 and carrying a link15 pivotally mounted thereon as at 16, said link being adapted to engagethe rearward end of a bolt 11- upon rearward downward movement of thelever 14 and .pull the associated bolt head 18 into engagement with thespring arm E2 to cause the, brake shoe to be pulled against the tirerim. The bolt TI is conveniently passed through a corresponding openingin the spring arm 12.

L The above-described embodiment will be understood to be illustrativeonly and I do not consider my invention limited thereto, but rather I tothe scope of the subjected claims.

cured to said support structure and including two forwardly extendingarm-rest members pivotally attached adjacent theirrearward endoto saidbracket members for pivotal movement a ut a common axis, said arm-restmembers having portions extending rearwardly of'said common axis; andstop means movably mounted on said support structure and positioned toengage said rearwardly extending portiohs of said arm-rest upwardlyextending members in positionto engage. said'rearwardly extendingportions of said arm members to limit the downward pivotal movement ofsaid arm-rest structure; and a seat means secured to .and supported bysaid arm 7 members.

members to limit the downward pivotal movement of said seat member. c

2; A seat construction for baby carts, like, which comprises: twolaterally spaced upwardly extending support members provided with" meansat theirupper ends for engaging a main support uponwhich the'seatconstruction is to be mounted; a bracket member secured to each of saidupwardly extending support members;

an arm-rest structure pivotally secured to said bracket members, saidarm-rest structure'comprising two transversel spaced forwardly ex-.

tending arm members pivotally attached adjacent their rearward ends tothe respective brack-. et members for pivotal movement about a'trans:

versly extending common axis, said arm mem bers being each'prov'idedwith a portion extend-' and the" 3. A, seat construction for use on,baby carts and the like, which comprises: two transversely spacedbracket members; a yoke member secured to and rigidly interconnectingsaid brackets; two transversely spaced upwardly extending support,members respectively pivotally mounted at their lower endsbn saidbrackets for rotation about the length of said support members,the-"upper ends of said support members having bent-over portionsadaptedfor attachment to a main support-structure upon which the seatconstruction is to be used; a seat structure .pivotally mounted-on saidbrackets for upward and downward pivotal movement about a transverselyextending common horizontal axis and including portions extendingforwardly and rearwardly of said common axis; and stop means movablymounted on the lower ends of said support members adjacent the positionof said brack- ,ets and adapted to engage the upper surface of therearwardly extending portions of said seat structure to limit thedownward pivotal move- 'ment of said seat structure.

4. The structureset forth in claim 3, said stop means being thre'adedlymounted on the lower ends of said support, members for adjustment alongthe length of said members.

5. A seat construction for use on baby carts and the like, whichcomprises: two transversely spaced bracket members; a'yoke membersecured to and rigidly interconnecting saidbrackets; two elongatedupwardly extending support members disposed forwardly of said yokemember and pivotally secured at their lower ends to the respectivebrackets for rotative movement about their length, said yoke memberhaving portions extending forwardly of said bracketspast the pivotalattachment of said support members; a

seat structure pivotally mounted on said for-' wardly extendingiportionsof said yoke member for upward and downward pivotal movement about atransversely extending common horizonof said axis alongside the lowerends of saiding rearwardly of said common axis: stop means 7,

threadedly mounted on the lower ends of said tal axis, said seatstructure including arm-rest members having portions extending forwardlyof said axis and portions extending rearwardly support members; and stopmeans threadedly mounted on the lower ends of said support members inposition to engage the upper surface of said 'rearwardly extendingportions of said armrest members to limit the downward pivotal movementof said seat structure.

.. SUNTU LEE.

